17. angelique is buying towels for her apartment. she finds some green towels that cost $8 each and blue towels that cost $10 each. she wants to buy at least 4 towels but doesn't want to spend more than $70. how many of each towel can she purchase? buying towels ty 10 8 6 number of blue towels 4 2 0 x 2 4 6 8 10 number of green towels